Question

Physical and chemical properties of group 1 and 2 elements

Answer 1

The alkali metals have the followingproperties in common: they have low melting and boiling points compared to most other metals. they are very soft and can be cut easily with a knife. they have low densities (lithium, sodium and potassium will float on water)

Answer 2

PHYSICAL PROPERTIES OF ELEMENT

1) Physical state

2) Melting and boiling point

3) Density

4) Hardness

5) Lusture

6) Malleability

7) Ductility

8) Tensile strength

9) Conductivity (a) Thermal

(b) electrical

10) Sonorosity

CHEMICAL PROPERTIES OF ELEMENTS

1) Reaction with oxygen

2) Reaction with water

3) Reaction with acids

4) Reavtion with alkalies

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